/*
 * Copyright 2012-2017 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.codestd.stream;

import com.codestd.stream.destination.OrderCreate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.annotation.StreamListener;
import org.springframework.context.annotation.Bean;
import org.springframework.integration.annotation.InboundChannelAdapter;
import org.springframework.integration.annotation.Poller;
import org.springframework.integration.annotation.Transformer;
import org.springframework.integration.core.MessageSource;
import org.springframework.messaging.handler.annotation.SendTo;
import org.springframework.messaging.support.GenericMessage;
import org.springframework.web.bind.annotation.RestController;

import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * input binding
 *
 * @author Wang Chengwei(Jaune)
 * @since 1.0.0
 */
@SpringBootApplication
@EnableBinding({OrderCreate.class})
public class Application {

    private static Logger logger = LoggerFactory.getLogger(Application.class);

    public static void main(String[] args) {
        new SpringApplicationBuilder(Application.class).run(args);
    }

    @StreamListener(OrderCreate.INPUT)
    public void onOrderCreate(String orderCode) {
        logger.info("Received order create message.[{}]", orderCode);
    }


    /*@Bean
    @InboundChannelAdapter(value = OrderCreate.CHANNEL, poller = @Poller(fixedDelay = "1000", maxMessagesPerPoll = "1"))
    public MessageSource<String> timerMessageSource() {
        return () -> new GenericMessage<>(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
    }*/

    @Transformer(inputChannel = OrderCreate.INPUT, outputChannel = OrderCreate.OUTPUT)
    public Object transform(String message) {
        logger.info("origin message: {}", message);
        return message.toUpperCase();
    }

}
